Chemistry Periodic Trends

Front

Elements in the same family have the same

Back

Number of valence electrons

Front

The periodic law states that there is periodic repetition of the physical and chemical properties of elements -

Back

when they are arranged in order of increasing atomic number.

Front

How is the current periodic table organized?

Back

By increasing atomic number

Front

A mystery element has 18 protons. Which statement is true about the element?

Back

The element belongs in row 3 of the periodic table and is classified as a noble gas.

Front

A vertical column in the periodic table is called a(n) __________________.

Back

Group

Front

Which family in the periodic table does not react with any other family?

Back

Noble Gases (inert gases)

Front

A horizontal row in the periodic table is called a(n)

Back

Period

Front

Valence electrons are

Back

Electrons found on the outer shell

Front

All elements in column 17 of the periodic table have how many electrons in the outer shell?

Back

7

Front

Choose the set of elements that have the same number of valence electrons: Chlorine, Fluorine, Oxygen; Fluorine, Chlorine, Iodine; Lithium, Magnesium, Potassium.

Back

Fluorine, Chlorine, Iodine